TC646V/UA 데이터 시트보기 (PDF) - Microchip Technology

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TC646V/UA

PWM Fan Speed Controller with Auto-Shutdown and FanSense™ Technology

Microchip Technology 

TC646

Functional Block Diagram

VIN

CF

VAS

GND

+

VOTF

–

OTF

–

PWM

+

Control

Logic

Clock

Generator

–

+

–

+

VSHDN TC646

3 x TPWM

Timer

SHDN

Start-up

Timer

Missing

Pulse

Detect.

70mV (typ.)

10kΩ

VDD

VOUT

FAULT

SENSE

DS21446C-page 2

 2002 Microchip Technology Inc.

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